user
Classify the following types of clouds: Cirrus, cumulus, and stratus.
assistant

Cirrus clouds are high-level clouds composed of ice crystals. They usually appear as detached, feathery clouds in the sky. Cumulus clouds are white, fluffy clouds that form during fair weather and are low-level clouds. They can grow to become thunderstorm clouds. Stratus clouds are grey, sheet-like clouds, usually low-level, that can form in fair weather and often blanket the sky with a grey haze.